Home / 18,853.38-28,263.87-7,753.14

Finding the Fourth Proportional to 18,853.38, 28,263.87 and 7,753.14

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Solution

The fourth proportional to 18,853.38, 28,263.87 and 7,753.14 is: 11,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.38 : 28,263.87 = 7,753.14 : x
  2. Step 2: Convert to fraction form
    18,853.38/28,263.87 = 7,753.14/x
  3. Step 3: Cross multiply
    18,853.38x = 28,263.87 × 7,753.14
  4. Step 4: Simplify right side
    18,853.38x = 219,133,741.05
  5. Step 5: Solve for x
    x = 219,133,741.05/18,853.38
  6. Step 6: Final answer
    x = 11,623.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.